Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Changshu features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (41 °F) and 29 °C (85 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 1206 mm (47.5 inches) and receives 120 rainy days on the 1 mm (0.04 inches) threshold annually.Changshu enjoys an average of 2933 hours of sunshine throughout the year, and daylight varies from 10 hours 6 minutes to 14 hours 10 minutes per day.
The warmest months in Changshu are June, July and August, with daily mean temperatures ranging from 25 to 29 °C (77 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (41 - 45 °F) throughout the day. On average each year, Changshu experiences 128 days above 25 °C (77.0 °F) and 20 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 20°C (67°F) | 25°C (78°F) | 28°C (83°F) | 32°C (90°F) | 37°C (99°F) | 38°C (100°F) | 42°C (108°F) | 40°C (104°F) | 35°C (95°F) | 33°C (91°F) | 28°C (84°F) | 21°C (70°F) |
Mean maximum | 16°C (61°F) | 20°C (68°F) | 26°C (79°F) | 29°C (85°F) | 34°C (93°F) | 34°C (93°F) | 37°C (100°F) | 37°C (98°F) | 33°C (93°F) | 30°C (86°F) | 25°C (77°F) | 18°C (65°F) |
Average high | 9°C (48°F) | 11°C (51°F) | 16°C (61°F) | 21°C (70°F) | 26°C (79°F) | 29°C (84°F) | 32°C (90°F) | 33°C (91°F) | 28°C (83°F) | 23°C (73°F) | 18°C (65°F) | 11°C (52°F) |
Daily mean | 5°C (41°F) | 6°C (44°F) | 12°C (53°F) | 16°C (61°F) | 22°C (71°F) | 25°C (77°F) | 29°C (84°F) | 29°C (85°F) | 25°C (77°F) | 19°C (66°F) | 14°C (57°F) | 7°C (45°F) |
Average low | 2°C (36°F) | 3°C (37°F) | 8°C (46°F) | 12°C (53°F) | 17°C (63°F) | 21°C (71°F) | 26°C (78°F) | 26°C (80°F) | 22°C (72°F) | 15°C (60°F) | 10°C (50°F) | 3°C (38°F) |
Mean minimum | -5°C (23°F) | -3°C (27°F) | 2°C (36°F) | 5°C (42°F) | 12°C (54°F) | 18°C (65°F) | 22°C (72°F) | 23°C (74°F) | 17°C (63°F) | 9°C (48°F) | 3°C (38°F) | -4°C (25°F) |
Minimum | -8°C (18°F) | -5°C (23°F) | 0°C (33°F) | 4°C (40°F) | 10°C (50°F) | 17°C (62°F) | 19°C (66°F) | 21°C (70°F) | 15°C (59°F) | 8°C (46°F) | 1°C (34°F) | -6°C (21°F) |
Compare temperature, precipitation, sunshine, UV index in Changshu, Jiangsu, China with other places around the world.
Changshu usually has the most precipitation in June, July and August, with an average of 14 rainy days and 190 mm (7.5 inches) of precipitation per month.The driest months in Changshu are October, November and December. On average, 44 mm (1.7 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 54 (2.1) | 56 (2.2) | 68 (2.7) | 73 (2.9) | 120 (4.7) | 161 (6.3) | 256 (10.1) | 154 (6.1) | 134 (5.3) | 46 (1.8) | 44 (1.7) | 42 (1.6) |
Average precipitation days (≥ 1 mm) | 7 | 9 | 11 | 8 | 10 | 12 | 16 | 14 | 12 | 7 | 6 | 8 |
The sunniest months in Changshu are May, July and August, when the sun shines an average of 9 hours 22 minutes a day.Least sunny months in Changshu: January, February and December receive an average of 6 hours 21 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 155 | 209 | 238 | 254 | 281 | 270 | 282 | 307 | 258 | 240 | 220 | 214 |
Mean daily daylight hours | 10h 19m | 11h 2m | 11h 59m | 12h 57m | 13h 46m | 14h 10m | 13h 58m | 13h 15m | 12h 19m | 11h 22m | 10h 31m | 10h 6m |
Changshu experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, February and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Changshu UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 5 | 6 | 8 | 10 | 10 | 11 | 11 | 11 | 10 | 8 | 6 | 4 |